JP2007294335A - Battery spring mount structure and remote control - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a battery spring mount structure which can be temporarily fixed and positioned on a substrate by means of a simple structure battery spring itself, resulting in production efficiency improvement. <P>SOLUTION: This battery spring mount structure comprises a first fold 44 formed in the midway of a mount part 43 contacting a substrate 10 of a battery spring 40 and a second fold 45 formed at the end of the mount part 43 which are inserted into a first hole 13 formed in the substrate 10 and a second hole 14 respectively and soldered there. In addition, this mount structure assumes that the second fold 45 is formed by bending the fold 43 at an angle of less than 90 degrees, a linear part in the second fold 45 contacts a margin 14a of the second hole 14 at a soldered side, the width of the first fold 44 is narrower than that of the first hole 13 and the first and second folds 44, 45 are projected from the first and second holes 13, 14. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a battery spring attachment structure for attaching a battery spring to a substrate and a remote controller having the structure.

  In general, in an electric device driven by a dry battery such as a remote controller, two types of battery springs that are in pressure contact with the negative electrode and the positive electrode of the dry battery are often used to install the dry cell. The battery spring is fixed to the substrate with solder, and various structures have been proposed as the attachment structure.

  For example, in Patent Document 1, a narrow slit is formed in the longitudinal direction so as to communicate with a substantially elliptical hole provided in a soldering land for terminal attachment provided on a board, and solder on the board is formed. The battery spring has a hole in the vicinity of the soldering land where the tip of the battery spring enters. The battery spring has a raised part that enters the substantially elliptical hole of the soldering land of the board, a linear part that enters the slit, and a hole. A battery spring mounting structure for a remote controller is disclosed, which is composed of a substantially U-shaped front end portion that enters and a battery contact portion extending from the raised portion to the battery case.

  In Patent Document 2, two bent portions provided in the battery terminal mounting portion are individually inserted into two holes of the insulating substrate and soldered, and one bent portion is U-shaped. A remote control unit is disclosed that is inserted into the hole of the long hole portion of the insulating substrate and soldered to the insulating substrate in a state where the U-shaped bent portion is in elastic contact with the hole edge in the longitudinal direction of the hole portion. Has been.

Patent Document 3 further includes an engagement piece formed at the base end portion of the coil spring and a convex elastic engagement portion formed adjacent to the engagement piece in a terminal made of a coil spring. A terminal mounting structure is disclosed in which an engaging piece and an elastic engaging portion are inserted and engaged with each of two insertion holes formed in a substrate.
JP 2006-4837 A Noto 3070499 gazette Japanese Utility Model Publication No. 6-23160

  According to Patent Document 1, the battery spring can be fixed so as not to drop during soldering. However, when the battery spring is assembled to the substrate before soldering, the battery spring can be assembled from one side of the substrate. Since it is not possible, it takes time and work efficiency is poor.

  According to Patent Document 2, since the U-shaped bent portion is fitted in the hole portion, the temporarily fixed posture is easily maintained, but the U-shaped bent portion is fitted in the hole portion. A certain amount of force is required, and workability is poor.

  According to Patent Document 3, the terminal can be positioned vertically and horizontally, but a certain amount of force is required for the operation of fitting the elastic engagement portion into the insertion hole, and workability is poor, and bending is performed in the process of producing the elastic engagement portion. The number of times increases and the cost increases.

  By the way, in the structure of the conventional battery spring which is not configured as in Patent Document 1 to Patent Document 3, after the battery spring is assembled to the substrate, the battery spring is temporarily fixed with a tape for positioning and prevention of soldering and then soldered. There was a need.

  An object of the present invention is to provide a battery spring mounting structure which can be temporarily fixed to a substrate by a battery spring itself having a simple structure and can be positioned to improve production efficiency. Another object of the present invention is to provide a remote controller provided with this battery spring mounting structure.

In order to achieve the above object, according to the present invention, there is provided a first bent portion formed in the middle of an attachment portion that contacts a battery spring substrate, and a second bent portion formed at an end portion of the attachment portion. In the battery spring mounting structure that is inserted and soldered into the first hole and the second hole formed in the substrate,
The second bent portion is formed by bending the attachment portion by less than 90 °.

  According to this configuration, after inserting the battery spring into the substrate, the substrate is turned over to perform soldering, and the first bent portion and the second bent portion are the first hole portion and the second hole portion, respectively. It keeps in contact with and does not fall out.

  In the battery spring mounting structure described above, it is preferable that a linear portion of the second bent portion is in contact with an edge of the second hole portion on the solder surface side. This is because the battery spring can be temporarily fixed to the substrate more reliably.

  In the battery spring mounting structure described above, it is preferable that a width of the first bent portion is narrower than a width of the first hole portion. This is because workability is improved by facilitating fitting of the first bent portion into the first hole.

  In the battery spring mounting structure described above, it is preferable that the first bent portion and the second bent portion protrude from the first hole portion and the second hole portion, respectively. This is because soldering can be performed reliably and the battery spring is more stably fixed.

When the present invention is embodied, a first bent portion formed in the middle of the attachment portion contacting the substrate of the battery spring and a second bent portion formed at the end portion of the attachment portion are formed on the substrate. In the remote control having the battery spring mounting structure inserted and soldered into the first hole portion and the second hole portion respectively,
The second bent portion is formed by bending the attachment portion less than 90 °,
The linear portion of the second bent portion is in contact with the edge of the second hole on the solder surface side;
A width of the first bent portion is narrower than a width of the first hole;
The first bent portion and the second bent portion protrude from the first hole portion and the second hole portion, respectively.

  According to the present invention, by forming the second bent portion by bending the attachment portion by less than 90 °, an effect of temporarily fixing the battery spring to the substrate can be obtained, and the battery spring falls off from the substrate before soldering. There is no. Therefore, the step of temporarily fixing the battery spring to the substrate with a tape or the like can be eliminated, and the production efficiency is improved.

  In addition, since the second bent portion is formed obliquely, the linear portion on the second bent portion side of the first bent portion and the inner wall on the second hole portion side of the first hole portion are always provided. Because of the contact, the battery spring is automatically positioned with respect to the substrate.

  FIG. 1 is a schematic view showing the main part of the remote control, FIG. 2 is a cross-sectional view taken along line AA of FIG. 1, and FIG. 3 is a plan view of the main part of the substrate.

  A substrate 10 provided with electrical components and electrical circuits is mounted inside the remote control. The substrate 10 has a vertically long shape, and the light emitting element 20 is attached to the front end portion, and the battery springs 30 and 40 are attached to the rear end portion. One end of each of the battery springs 30 and 40 is provided with contact pieces 31 and 41, respectively, so that the contact pieces 31 and 41 are in contact with a negative pole or a positive pole of a dry battery (not shown).

  One battery spring 40 includes a contact piece 41, a linear leg portion 42 extending from the contact piece 41, and a linear attachment portion 43 extending from the base of the leg portion 42. The attachment portion 43 is a portion that contacts the substrate 10 of the battery spring 40. In addition, the leg part 42 and the attachment part 43 are formed with one conductive wire.

  As shown in FIG. 2, the attachment portion 43 is formed by folding a first bent portion 44 formed in a U-shape in the middle of the longitudinal direction in the middle thereof, and an end portion thereof being bent. And a second bent portion 45. In addition, the 2nd bending part 45 points out the part from the bent part to the front-end | tip.

  The first bent portions 44 are formed in a direction protruding to the substrate 10 side, and the bending angles at the four positions are 90 °. The first bent portion 44 may be formed by being bent into a U shape, a V shape, or the like. On the other hand, the 2nd bending part 45 is formed in the same direction as the 1st bending part 44, and the bending angle (theta) shall be less than 90 degrees (for example, 45 degrees). The optimization of the angle θ will be described later.

  Further, as shown in FIG. 3, a hole for attaching the battery spring 40 is formed in the substrate 10. The hole portion includes a long hole-shaped first hole portion 13 into which the first bent portion 44 is inserted and a long hole-shaped second hole portion 14 into which the second bent portion is inserted. The hole 13 and the second hole 14 are arranged linearly. A conductive thin film for soldering (not shown) is provided on the surface of the substrate 10 opposite to the side where the mounting portion 44 of the battery spring 40 is disposed so as to surround the first hole portion 13 and the second hole portion 14. Is provided.

  In the battery spring 40 and the substrate 10 having the above-described configuration, the first bent portion 44 is inserted into the first hole portion 13 and the second bent portion 45 is inserted into the second hole portion 14. The first bent portion 44 and the second bent portion 45 are fixed by solders 50 and 51, respectively.

  As shown in FIG. 2, it is desirable that the first bent portion 44 and the second bent portion 45 protrude from the first hole portion 13 and the second hole portion 14 to the solder surface side, respectively. This is because soldering can be reliably performed and the battery spring 40 is more stably fixed.

  In addition, the width L in the longitudinal direction of the first bent portion 44 is preferably narrower than the width M in the longitudinal direction of the first hole portion 13. This is because workability is improved by making the first bent portion 44 easy to fit into the first hole portion 13. For example, the width L can be 5 mm and the width M can be 5.4 mm.

  When the battery spring 40 is attached to the substrate 10, first the tip of the second bent portion 45 is inserted to a position where it protrudes from the second hole portion 14, and then the first portion while the attachment portion 43 is tilted toward the substrate 10 side. The bent portion 44 is inserted into the first hole portion 13 so that the attachment portion 43 is in contact with the substrate 10. Thereby, the linear part near the tip of the second bent part 45 contacts the edge 14a of the second hole part 14, and the linear part on the leg part 42 side of the first bent part 44 is the first hole. It will be in the state which contacted the inner wall 13a by the side of the leg part 42 of the part 13. FIG. A gap (width M−width L) is formed between the linear portion on the second bent portion 45 side of the first bent portion 44 and the inner wall 13b on the second hole portion 14 side of the first hole portion 13. Minute gap).

  In order to perform soldering from this state, the substrate 10 is turned over and fixed by the solders 50 and 51. Even if the substrate 10 is turned over, the battery spring 40 is supported by the edge 14a and the inner wall 13a and has a temporary fixing effect, so that the battery spring 40 does not fall off the substrate 10. Accordingly, the step of temporarily fixing the battery spring 40 to the substrate 10 with a tape or the like can be eliminated, and the production efficiency is improved.

  In addition, since the second bent portion 45 is formed obliquely, the gap corresponding to the width M-width L is always the linear portion on the second bent portion 45 side of the first bent portion 44 and the first hole portion. 13, the battery spring 40 is automatically positioned with respect to the substrate 10.

  The above effect can be obtained if the bending angle θ of the second bent portion 45 is less than 90 °. The smaller the angle θ, the larger the drop prevention effect. However, the smaller the angle θ, the larger the second hole portion 14 must be, so the area related to the attachment of the battery spring 40 increases, which is not preferable. The bending angle θ of the second bent portion 45 may be determined in consideration of these conflicting actions.

  The one battery spring 40 and the holes 13 and 14 for attaching the battery spring 40 have been described above, but the same structure is adopted for the other battery spring 30 and the holes 11 and 12 for attaching the battery spring 30. The structure is omitted to avoid duplication of explanation.

  The battery spring mounting structure of the present invention can be used for remote devices as well as electric devices driven by dry batteries.

It is the schematic which showed the principal part of the remote control. It is the sectional view on the AA line of FIG. It is a top view of the principal part of a board | substrate.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Board | substrate 13 1st hole 14 2nd hole 14a Edge of 2nd hole 40 Battery spring 43 Attachment part 44 1st bending part 45 2nd bending part

Claims (5)

A first bent portion formed in the substrate is formed by a first bent portion formed in the middle of the attachment portion contacting the substrate of the battery spring and a second bent portion formed in an end portion of the attachment portion. In the remote control having a battery spring mounting structure inserted and soldered into each of the first and second holes,
The second bent portion is formed by bending the attachment portion less than 90 °,
The linear portion of the second bent portion is in contact with the edge of the second hole on the solder surface side;
A width of the first bent portion is narrower than a width of the first hole;
The remote controller according to claim 1, wherein the first bent portion and the second bent portion protrude from the first hole portion and the second hole portion, respectively. A first bent portion formed in the substrate is formed by a first bent portion formed in the middle of the attachment portion contacting the substrate of the battery spring and a second bent portion formed in an end portion of the attachment portion. In the battery spring mounting structure that is inserted and soldered into the second hole and the second hole,
The battery spring mounting structure, wherein the second bent portion is formed by bending the mounting portion by less than 90 °.   3. The battery spring mounting structure according to claim 2, wherein the linear portion of the second bent portion is in contact with an edge of the second hole portion on the solder surface side.   The battery spring mounting structure according to claim 2 or 3, wherein a width of the first bent portion is narrower than a width of the first hole portion.   The said 1st bending part and the said 2nd bending part are protruded from the said 1st hole and the said 2nd hole, respectively, The said any one of Claims 2-4 characterized by the above-mentioned. Battery spring mounting structure.

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